Miles per Hour to Knot Converter (mph to kn)
1 miles per hour = 0.868977 knot. One knot is 1.15078 mph.
Result
75 mph = 65.173274 kn
How to convert miles per hour to knot
One knot is 1.15078 mph. Aviation and marine weather reports use knots, while US news reports of storm and wind speeds use mph, so you often need to convert between them.
Formula
kn = mph × 0.868977
Worked example
75 mph × 0.868977 = 65.1733 kn
Miles per Hour to Knot quick-reference table
| Miles per Hour (mph) | Knot (kn) |
|---|---|
| 10 mph | 8.68977 kn |
| 25 mph | 21.7244 kn |
| 39 mph | 33.8901 kn |
| 50 mph | 43.4488 kn |
| 74 mph | 64.3043 kn |
| 100 mph | 86.8977 kn |
Real-life examples
A 75 mph wind is 65.2 knots, and a 150 mph storm is 130.3 knots.
Frequently asked questions
How many mph is 1 knot?
One knot is 1.15078 mph.
Is a knot faster than a mile per hour?
Yes, about 15 percent faster, because a nautical mile is longer than a statute mile.
What is 1 miles per hour in knot?
1 miles per hour = 0.868977 knot (mph to kn).
What is the formula to convert mph to kn?
kn = mph × 0.868977. For example, 75 mph × 0.868977 = 65.1733 kn.
How do I convert kn back to mph?
Use the reverse converter: 1 knot = 1.15078 miles per hour. Check: 65.1733 kn converts back to 75 mph.
Reverse conversion
Need the other direction? Knot to Miles per Hour converter (kn to mph): 1 knot = 1.15078 miles per hour.
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